On Wed, Jan 11, 2012 at 12:38:43PM +0000, Grumbach, Emmanuel wrote: > I am missing logs here... You seem to reauthenticate but I can't see disconnection... weird Ok, here's a fresh log. wireless was working, (with 11n_disable=1) unload, and reload without the 11n_disable=1 .. [16421.730025] wlan0: deauthenticating from b8:c7:5d:0c:39:87 by local choice (reason=3) [16421.735002] ieee80211 phy0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-16) [16421.736095] ieee80211 phy0: failed to remove key (2, ff:ff:ff:ff:ff:ff) from hardware (-16) [16421.737548] ieee80211 phy0: failed to remove key (0, b8:c7:5d:0c:39:87) from hardware (-16) [16421.738400] wlan0: moving STA b8:c7:5d:0c:39:87 to state 2 [16421.738646] wlan0: moving STA b8:c7:5d:0c:39:87 to state 1 [16421.738878] wlan0: moving STA b8:c7:5d:0c:39:87 to state 0 [16421.741175] cfg80211: Calling CRDA to update world regulatory domain [16421.777981] iwlwifi 0000:04:00.0: PCI INT A disabled [16421.803665] cfg80211: World regulatory domain updated: [16421.803924] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [16421.808846] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16421.811357] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [16421.811739] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [16421.812193] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16421.812566] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16421.820504] cfg80211: Calling CRDA for country: US [16421.918341] cfg80211: Calling CRDA to update world regulatory domain [16421.949295] cfg80211: World regulatory domain updated: [16421.949559] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [16421.949966] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16421.950851] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [16421.951528] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm) [16421.951911] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16421.952651] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16422.035828] Intel(R) Wireless WiFi Link AGN driver for Linux, in-tree:d [16422.036165] Copyright(c) 2003-2011 Intel Corporation [16422.036582] iwlwifi 0000:04:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17 [16422.036957] iwlwifi 0000:04:00.0: setting latency timer to 64 [16422.037338] iwlwifi 0000:04:00.0: pci_resource_len = 0x00002000 [16422.037620] iwlwifi 0000:04:00.0: pci_resource_base = ffffc90011560000 [16422.037930] iwlwifi 0000:04:00.0: HW Revision ID = 0x0 [16422.038381] iwlwifi 0000:04:00.0: irq 46 for MSI/MSI-X [16422.038915] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUG enabled [16422.041287] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEBUGFS enabled [16422.041569] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TRACING enabled [16422.041881] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_DEVICE_TESTMODE enabled [16422.042213] iwlwifi 0000:04:00.0: CONFIG_IWLWIFI_P2P disabled [16422.042517] iwlwifi 0000:04:00.0: Detected Intel(R) Ultimate N WiFi Link 5300 AGN, REV=0x24 [16422.043276] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [16422.075500] iwlwifi 0000:04:00.0: device EEPROM VER=0x120, CALIB=0x4 [16422.075809] iwlwifi 0000:04:00.0: Device SKU: 0xF0 [16422.076390] iwlwifi 0000:04:00.0: Tunable channels: 13 802.11bg, 24 802.11a channels [16422.121284] iwlwifi 0000:04:00.0: loaded firmware version 8.83.5.1 build 33692 [16422.122291] Registered led device: phy0-led [16422.124681] ieee80211 phy0: Selected rate control algorithm 'iwl-agn-rs' [16422.155786] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [16422.159119] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 0 on FIFO 3 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 1 on FIFO 2 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 2 on FIFO 1 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 3 on FIFO 0 [16422.201065] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 4 on FIFO 7 [16422.263369] cfg80211: Calling CRDA for country: US [16422.287176] cfg80211: Regulatory domain changed to country: US [16422.287457] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [16422.287849] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [16422.288337] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [16422.288703] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16422.289090] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16422.289455] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16422.289824] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [16422.318523] iwlwifi 0000:04:00.0: L1 Enabled; Disabling L0S [16422.321880] iwlwifi 0000:04:00.0: Radio type=0x0-0x2-0x0 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 4 WrPtr: 0 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 0 on FIFO 3 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 1 on FIFO 2 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 2 on FIFO 1 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 3 on FIFO 0 [16422.360115] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate AC/CMD Queue 4 on FIFO 7 [16422.376787] ADDRCONF(NETDEV_UP): wlan0: link is not ready [16427.671916] wlan0: authenticate with b8:c7:5d:0c:39:87 (try 1) [16427.674716] wlan0: authenticated [16427.678205] wlan0: associate with b8:c7:5d:0c:39:87 (try 1) [16427.681953] wlan0: RX AssocResp from b8:c7:5d:0c:39:87 (capab=0x431 status=0 aid=3) [16427.682325] wlan0: associated [16427.682473] wlan0: moving STA b8:c7:5d:0c:39:87 to state 1 [16427.682731] wlan0: moving STA b8:c7:5d:0c:39:87 to state 2 [16427.700757] ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [16427.701667] cfg80211: Calling CRDA for country: US [16427.721184] cfg80211: Regulatory domain changed to country: US [16427.721455] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp) [16427.721829] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2700 mBm) [16427.722199] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 1700 mBm) [16427.722566] cfg80211: (5250000 KHz - 5330000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16427.722924] cfg80211: (5490000 KHz - 5600000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16427.723289] cfg80211: (5650000 KHz - 5710000 KHz @ 40000 KHz), (300 mBi, 2000 mBm) [16427.723651] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 3000 mBm) [16428.706438] wlan0: moving STA b8:c7:5d:0c:39:87 to state 3 [16438.802048] wlan0: no IPv6 routers present wifi is back up. Shortly afterwards .. [16520.224964] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 124 [16520.228038] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 124 [16520.228358] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [16520.229059] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:87 tid = 0 [16531.888296] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 631 [16531.888793] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 [16531.889247] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [16552.504609] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 697 [16552.508182] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 185 [16552.508609] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [16552.509077] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:87 tid = 0 [16564.084058] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can proceed: ssn = next_recl = 1241 [16564.084506] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 0 [16564.084903] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Deactivate AC/CMD Queue 11 on FIFO 0 [16568.975872] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_start Can proceed: ssn = next_recl = 1298 [16568.978796] iwlwifi 0000:04:00.0: U iwl_trans_set_wr_ptrs Q 11 WrPtr: 18 [16568.979007] iwlwifi 0000:04:00.0: U iwl_trans_tx_queue_set_status Activate BA Queue 11 on FIFO 1 [16568.979734] iwlwifi 0000:04:00.0: Tx aggregation enabled on ra = b8:c7:5d:0c:39:87 tid = 0 [16580.004052] iwlwifi 0000:04:00.0: U iwlagn_tx_agg_stop Can't proceed: ssn 1491, next_recl = 150 A possibly interesting datapoint, is that it seems I can make this happen faster if there's disk IO going on (I ran a make clean on a kernel tree in this case). Might be entirely coincidental, but thought I'd mention it.. Dave -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html